Model: PM-2160-A
Doc. Ref. no. : - m20Aom201
Issue no. 02
Page 35 of 36
User’s Manual
9. TROUBLESHOOTING TIPS
The information in Table 9
– 1 describes potential problems and their possible causes. It also
describes checks you can perform or possible solutions for each. After referring to this table, if you
cannot resolve the problem, contact our sales representative.
Table 9
– 1: Troubleshooting
Potential Problem
Possible Cause
Possible Solution
The display is blank
with black light OFF
after applying control
power to the
Multifunction
Meter.
The Multifunction meter may
not be
receiving the necessary
Power.
Verify that the Multifunction meter line (L)
and neutral (N) terminals are
Receiving the necessary power.
The data being
displayed is inaccurate
or not what you expect.
Incorrect setup values.
Check that the correct values have been
entered for Multifunction meter setup
parameters (CT and PT ratings, System
Type).
Incorrect voltage inputs.
Check Multifunction meter voltage input
terminals to verify that adequate voltage is
present.
Multifunction meter is wired
improperly.
Check that all CTs and PTs are connected
correctly (proper polarity is observed) and
that they are energized. Check shorting
terminals.
Cannot communicate
with Multifunction
meter from
a remote personal
computer.
Multifunction meter address is
incorrect.
Check to see that the Multifunction meter is
correctly addressed.
Multifunction meter baud rate
(parity, stop bit) is incorrect.
Verify that the baud rate of the Multifunction
meter matches the baud rate of all other
devices on its communications link.
Communications lines are
improperly connected.
Verify the Multifunction meter
communications connections interchange
[A+] & [B-] lines
If these troubleshooting tips do not solve your problem then, please contact technical support
at either nearest area office or Main Head Office as given on the first page.
